Suggestions by @devlinclements

Buddy (The Secret Life of Pets)

as Brian Tyree Henry in Roles That Actors / Actresses Were ALMOST Casted

Mrs. Potts

as Helen Mirren in Roles That Actors / Actresses Were ALMOST Casted

Cogsworth

as Christopher Lee in Roles That Actors / Actresses Were ALMOST Casted

Lumiere

as David Warner in Roles That Actors / Actresses Were ALMOST Casted

Belle (Beauty and the Beast)

as Kathleen Turner in Roles That Actors / Actresses Were ALMOST Casted

Air Conditioner

as Rik Mayall in Roles That Actors / Actresses Were ALMOST Casted

Radio

as Martin Short in Roles That Actors / Actresses Were ALMOST Casted

Lampy

as Don Knotts in Roles That Actors / Actresses Were ALMOST Casted

FAKE

as Laurence Olivier in Roles That Actors / Actresses Were ALMOST Casted

Carl (Ice Age)

as Bryan Cranston in Roles That Actors / Actresses Were ALMOST Casted

Oscar (Ice Age)

as Christian Slater in Roles That Actors / Actresses Were ALMOST Casted

Soto (Ice Age)

as Pierce Brosnan in Roles That Actors / Actresses Were ALMOST Casted

Sid (Ice Age)

as Nathan Lane in Roles That Actors / Actresses Were ALMOST Casted

Commander Vachir

as Keith David in Roles That Actors / Actresses Were ALMOST Casted

Zeng (Kung-Fu Panda)

as Matthew Perry in Roles That Actors / Actresses Were ALMOST Casted

Master Mantis

as James Franco in Roles That Actors / Actresses Were ALMOST Casted

Master Crane

as Sean Hayes in Roles That Actors / Actresses Were ALMOST Casted

Master Shifu

as Ben Kingsley in Roles That Actors / Actresses Were ALMOST Casted

Master Po Ping

as John C. Reilly in Roles That Actors / Actresses Were ALMOST Casted

Sarge (Toy Story)

as J.K Simmons in Roles That Actors / Actresses Were ALMOST Casted